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GB/T 28912-2012 English PDF

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GB/T 28912-2012: Test method for two phase relative permeability in rock
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 28912-2012	English	599	Add to Cart	5 days [Need to translate]	Test method for two phase relative permeability in rock	Valid	GB/T 28912-2012

PDF similar to GB/T 28912-2012

Standard similar to GB/T 28912-2012

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Basic data

Standard ID	GB/T 28912-2012 (GB/T28912-2012)
Description (Translated English)	Test method for two phase relative permeability in rock
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E12
Classification of International Standard	75.020
Word Count Estimation	26,216
Quoted Standard	SY/T 5153; SY/T 5336
Regulation (derived from)	National Standards Bulletin 2012 No. 28
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the determination of the two-phase relative permeability rock the basic principles of measurement and calculation methods as well as the technical specifications of measuring instruments. This standard applies to cemented sandstone

GB/T 28912-2012: Test method for two phase relative permeability in rock

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Test method for two phase relative permeability in rock ICS 75.020 E12 National Standards of People's Republic of China Rock two-phase relative permeability measurement method Issued on. 2012-11-05 2013-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 rock sample preparation 1 3.1 preservation of rock samples and drill 1 3.2 Cleaning the rock sample 1 3.3 rock sample porosity and gas permeability test 1 3.4 saturated rock sample 1 Experiment 4 with the fluid 2 4.1 Test oil 2 4.2 test water 2 4.3 Test gas 2 5 recovery wettability 2 6 oil - water relative permeability measurement 2 6.1 steady-state method of oil - water relative permeability measurement 2 6.2 Non-steady-state method of oil - water relative permeability measurement 6 7 gas - liquid relative permeability measured 8 7.1 steady-state method of water - gas relative permeability measured 8 7.2 Non-steady-state method of gas - oil (water) relative permeability measured 11 8 data rounding 12 9 content and format of the report 13 Appendix A (informative) two-phase relative permeability rock measuring 14 reporting format Annex B (informative) oil - water relative permeability measurement chart format report 16 Annex C (informative) gas - oil (water) relative permeability measurement report chart format 18 Annex D (informative) water - gas relative permeability measurement chart format report 20 References 22

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the National Standardization Technical Committee of Oil and Gas (SAC/TC355) and focal points. This standard was drafted. State Key Laboratory of Enhanced Oil Recovery Efficiency (China Petroleum Exploration and Development Research Institute). The main drafters. Zhang Zubo, Luo Man Li, Dai Zhijian, Lv Weifeng A Trial. Rock two-phase relative permeability measurement method

1 Scope

This standard specifies the technical determination of rock two-phase relative permeability of the basic principles of measurement and calculation methods and measuring instruments index. This standard applies to the determination of cemented sandstone samples in two-phase relative permeability, and other types of porous media may refer to.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Determination of the wettability of SY/T 5153 reservoir rock SY/T 5336 core analysis methods

3 rock sample preparation

3.1 preservation of rock samples and drill 3.1.1 select representative core samples drilled 2.50cm diameter greater than or equal to the cylinder, the length of not less than 1.5 times the diameter. 3.1.2 Fresh cemented rock samples at the wellsite can take the following two packaging. a) a barrel after the first core with a polyethylene film wrap, then foil wrapped after dipping wax seal; b) The core was immersed at the wellsite concentrations greater than 5% NaCl solution and sealed. NaCl aqueous solution with a concentration of greater than 5% of the circulating fluid or kerosene as neutral drill core samples, drill core samples immersed in an evacuated crude secret Closed save. 3.1.3 loose rock samples frozen on dry ice to save after the core tube with liquid nitrogen as the circulating fluid drill core samples. 3.2 rock sample cleaning Rock samples to perform the required cleaning and drying SY/T 5336's. 3.3 rock sample porosity and gas permeability measurement Rock sample porosity and gas permeability was measured according to the provisions of SY/T 5336, and extended the direct determination of the pore volume method with helium, the above parameters Twice the number of replicates, the deviation in the range of SY/T 5336 regulations. 3.4 saturated rock samples 3.4.1 Weigh the dry rock samples, vacuum saturated formation water. 3.4.2 Saturated simulating rock formation water samples weighed after, you can press the formula (1) obtained effective pore volume. Vp = m1-m0 ρw (1) Where. Value Vp --- rock sample effective pore volume in milliliters (mL);

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